Troubleshooting (Inverter)
SiE 00-07
166
Troubleshooting R-407C PLUS Series
5.8
Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sensor
Remote Controller
Display
P4
Supposed Causes
Defect of radiator fin temperature sensor
Defect of inverter unit
Troubleshooting
(VF070)
After resetting, restart.
YES
YES
Is the resistance
of thermistor correct?
Is the resetting possible?
Replace radiation fin thermistor.
Measure the resistance of
radiation fin thermistor.
NO
Replace inverter PC board.
NO
Summary of Contents for FXYBP20K7V1
Page 1: ...System R 407C PLUS Series Service Manual SiE 00 07 ...
Page 11: ...Introduction SiE 00 07 x ...
Page 17: ...Product Outline SiE 00 07 6 General Information R 407C PLUS Series ...
Page 41: ...Specifications SiE 00 07 30 Specifications R 407C PLUS Series ...
Page 119: ...Test Operation SiE 00 07 108 Test Operation R 407C PLUS Series ...
Page 132: ...SiE 00 07 Troubleshooting by Remote Controller Troubleshooting R 407C PLUS Series 121 ...